[RFC] Move StyleTransformData to ComputedStyle top-level

third_party/WebKit/Source/core/style/StyleTransformData.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef StyleTransformData_h
 #define StyleTransformData_h
 
+#include "core/CoreExport.h"
 #include "core/style/StyleMotionData.h"
 #include "core/style/TransformOrigin.h"
 #include "platform/transforms/RotateTransformOperation.h"
 #include "platform/transforms/ScaleTransformOperation.h"
 #include "platform/transforms/TransformOperations.h"
 #include "platform/transforms/TranslateTransformOperation.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
-class StyleTransformData : public RefCounted<StyleTransformData> {
+class CORE_EXPORT StyleTransformData : public RefCounted<StyleTransformData> {
  public:
   static PassRefPtr<StyleTransformData> create() {
     return adoptRef(new StyleTransformData);
   }
   PassRefPtr<StyleTransformData> copy() const {
     return adoptRef(new StyleTransformData(*this));
   }
 
   bool operator==(const StyleTransformData&) const;
   bool operator!=(const StyleTransformData& o) const { return !(*this == o); }
   bool has3DTransform() const;
 
+  bool transformDataEquivalent(const StyleTransformData&) const;
+
   TransformOperations m_operations;
   TransformOrigin m_origin;
   StyleMotionData m_motion;
+  LengthPoint m_perspectiveOrigin;
   RefPtr<TranslateTransformOperation> m_translate;
   RefPtr<RotateTransformOperation> m_rotate;
   RefPtr<ScaleTransformOperation> m_scale;
 
+  float m_perspective;
+
+  unsigned m_transformStyle3D : 1;    // ETransformStyle3D
+  unsigned m_backfaceVisibility : 1;  // EBackfaceVisibility
+
+  // Whether the transform (if it exists) is stored in the element's inline
+  // style.
+  unsigned m_hasInlineTransform : 1;
+
  private:
   StyleTransformData();
   StyleTransformData(const StyleTransformData&);
 };
 
 }  // namespace blink
 
 #endif  // StyleTransformData_h